From nobody Tue Feb 10 01:33:17 2026 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=fail; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail(p=none dis=none) header.from=redhat.com Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1632483418219223.68272996319126; Fri, 24 Sep 2021 04:36:58 -0700 (PDT) Received: from localhost ([::1]:57794 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1mTjVh-0002cC-3i for importer@patchew.org; Fri, 24 Sep 2021 07:36:57 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:34536) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mTjKX-0007oE-U7 for qemu-devel@nongnu.org; Fri, 24 Sep 2021 07:25:26 -0400 Received: from mail-ed1-x536.google.com ([2a00:1450:4864:20::536]:37724) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1mTjKW-0000ZN-D9 for qemu-devel@nongnu.org; Fri, 24 Sep 2021 07:25:25 -0400 Received: by mail-ed1-x536.google.com with SMTP id bx4so34921891edb.4 for ; Fri, 24 Sep 2021 04:25:23 -0700 (PDT) Received: from avogadro.lan ([2001:b07:6468:f312:c8dd:75d4:99ab:290a]) by smtp.gmail.com with ESMTPSA id t14sm4886961ejf.24.2021.09.24.04.25.22 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 24 Sep 2021 04:25:22 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=sender:from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=KOb4IPvQ1urvg2WoCHadP1b4B/KHW5IQqVRTE+ZK8/Y=; b=nasP26MaEUDksBCgNV5plDYh6tYbW4VY2y5jki9QCM0ezweanwwliCC5+H7As78c7m LL1E8jIRqJVkIfiQDmLqD8+kFi2g9O22MbE5mXahePeKTLJbQNapjqT6AuFT88ufg95o ezOCyOXv9BnG5vZTvpZWJFfSWpj1aDYIMxyGFMxy8N/R2Lw2mNI9AclJBdt8ZCp91npQ xsUiEbdmqEKr1dz9U/d9WidWransv/tjIABXFRg2P5GZRA74ttGx/tARfoxngqt4ErU1 gEbEjDCjyyn7LYw0P1MVJhn0L0QMeO5XfYRz4TTkmsHsj5VQK4tjzS4370h34iz7MQqJ aejA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:sender:from:to:cc:subject:date:message-id :in-reply-to:references:mime-version:content-transfer-encoding; bh=KOb4IPvQ1urvg2WoCHadP1b4B/KHW5IQqVRTE+ZK8/Y=; b=UrtFRQeXIDBxcrUCChO8krfOndyumhG0Z+2+K+xdBEDhlwxt5nhIkmzf86YykqyyVh lnbY15XQtv/YR5FdU5ZjDqrLIEjL/ui2EqyXMAL71DPh3ZOylUXQreaOXcML66kf+NWq x7XbvzECZqN2X9IufUjVNchOtlXa6lYHxKOq+XiZkecjM6nHzZgOeX/YiMRis03ivcgP 5R+bZRNGNevKeEStCZxYhpB7ov2GzQNLj2j+KQLuAbrZ5Bjs6rfT4lHlatFYWB+mlF1P qJgnBVmZdFdWUnju7EtsOu0v7i+9IY47gaEQ1PRuwxLzmh7F8UlQQT7mwJvZ5YEfRuyE lsGw== X-Gm-Message-State: AOAM533u45no8/JJnKCFZ7Ekt9d5LAWni8bVrH8b8vEtQIjW/nufh07W n7eAh3S3N2T07X+kKPv7gMYQGExHIcM= X-Google-Smtp-Source: ABdhPJw9jL0QUdLhffBbbk39W/8v/Ny5iA7x8aj5AA8mNq8vxOEOWA+mev14lor+t9Zn3R21S2GhOA== X-Received: by 2002:a17:906:681:: with SMTP id u1mr10469049ejb.499.1632482723037; Fri, 24 Sep 2021 04:25:23 -0700 (PDT) From: Paolo Bonzini To: qemu-devel@nongnu.org Subject: [PATCH v5 15/26] i386: Propagate SGX CPUID sub-leafs to KVM Date: Fri, 24 Sep 2021 13:24:58 +0200 Message-Id: <20210924112509.25061-16-pbonzini@redhat.com> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20210924112509.25061-1-pbonzini@redhat.com> References: <20210924112509.25061-1-pbonzini@redhat.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2a00:1450:4864:20::536; envelope-from=paolo.bonzini@gmail.com; helo=mail-ed1-x536.google.com X-Spam_score_int: -14 X-Spam_score: -1.5 X-Spam_bar: - X-Spam_report: (-1.5 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_FORGED_FROMDOMAIN=0.249, FREEMAIL_FROM=0.001, HEADER_FROM_DIFFERENT_DOMAINS=0.248, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=no autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: yang.zhong@intel.com, philmd@redhat.com, eblake@redhat.com, Sean Christopherson Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) X-ZM-MESSAGEID: 1632483418580100002 Content-Type: text/plain; charset="utf-8" From: Sean Christopherson The SGX sub-leafs are enumerated at CPUID 0x12. Indices 0 and 1 are always present when SGX is supported, and enumerate SGX features and capabilities. Indices >=3D2 are directly correlated with the platform's EPC sections. Because the number of EPC sections is dynamic and user defined, the number of SGX sub-leafs is "NULL" terminated. Signed-off-by: Sean Christopherson Signed-off-by: Yang Zhong Message-Id: <20210719112136.57018-15-yang.zhong@intel.com> Signed-off-by: Paolo Bonzini --- target/i386/kvm/kvm.c | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+) diff --git a/target/i386/kvm/kvm.c b/target/i386/kvm/kvm.c index 488926a95f..f6bbf33bc1 100644 --- a/target/i386/kvm/kvm.c +++ b/target/i386/kvm/kvm.c @@ -1703,6 +1703,25 @@ int kvm_arch_init_vcpu(CPUState *cs) } break; case 0x7: + case 0x12: + for (j =3D 0; ; j++) { + c->function =3D i; + c->flags =3D KVM_CPUID_FLAG_SIGNIFCANT_INDEX; + c->index =3D j; + cpu_x86_cpuid(env, i, j, &c->eax, &c->ebx, &c->ecx, &c->ed= x); + + if (j > 1 && (c->eax & 0xf) !=3D 1) { + break; + } + + if (cpuid_i =3D=3D KVM_MAX_CPUID_ENTRIES) { + fprintf(stderr, "cpuid_data is full, no space for " + "cpuid(eax:0x12,ecx:0x%x)\n", j); + abort(); + } + c =3D &cpuid_data.entries[cpuid_i++]; + } + break; case 0x14: { uint32_t times; =20 --=20 2.31.1